Found on the southern coast of Australia, the species could fill gaps in scientists' understanding of baleen whale evolution

Unlike the modern gentle giants, Janjucetus dullardi w as a fast, sharp-toothed predator with a compact body about the size of a dolphin built for hunting, according to a new study published in the journal Zoological Journal of the Linnean Society.

A newly identified species of ancient whale reveals how the first baleen relatives hunted, sensed their world, and grew.